CN221287887U

CN221287887U - Biological safety cabinet convenient to adjustment

Info

Publication number: CN221287887U
Application number: CN202322892653.2U
Authority: CN
Inventors: 方秀菊; 孟亮亮; 秦睿超; 朱子国; 黄硕
Original assignee: Zhongke Meiling Cryogenics Co Ltd
Current assignee: Zhongke Meiling Cryogenics Co Ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-07-09
Anticipated expiration: 2033-10-26

Abstract

The utility model relates to the technical field of biosafety cabinets, and particularly provides a biosafety cabinet convenient to adjust, which comprises a cabinet body structure, a supporting structure and a test plate, wherein the cabinet body structure comprises a first plate and a second plate, the middle part of the first plate is provided with a plate groove, and the second plate is used for moving in the plate groove to extend out of one side of the first plate or retract into the plate groove; the supporting structure comprises a first lifting rod, a second lifting rod, a first connecting plate, a telescopic rod and a supporting plate, wherein the first lifting rod is used for being fixed on the second plate, and the upper end of the first lifting rod is connected with the first connecting plate; the position of the test sample in the horizontal direction is adjusted through the change of the cabinet body structure, the position of the test sample in the vertical direction is adjusted through the change of the supporting structure, the purpose that the position of the test sample is adjusted to adapt to the operation of staff is achieved, and the whole adjustment process is simpler.

Description

Biological safety cabinet convenient to adjustment

Technical Field

The utility model relates to the technical field of biosafety cabinets, in particular to a biosafety cabinet convenient to adjust.

Background

The biosafety cabinet is designed to protect the operator himself, the laboratory environment and the laboratory materials from exposure to infectious aerosols and splashes which may occur during the above-mentioned operation, when handling infectious laboratory materials such as primary cultures, bacterial strains and diagnostic specimens.

When using biosafety cabinet to inspect the sample, because the difference on the shape of operating personnel probably need adjust the position of sample, however the checkout stand in the biosafety cabinet on the market is usually fixed height and fixed size for can't adjust the position of sample through adjusting the checkout stand when inspecting, and then lead to when sampling the sample to have inconvenience more, the practicality is not strong.

Disclosure of utility model

The utility model solves the problem that the existing biosafety cabinet cannot adjust the position of a sample by adjusting a test bench during test, so that the sample is inconvenient to sample.

In order to solve the problems, the utility model provides the following technical scheme:

The biological safety cabinet comprises a cabinet body structure, a supporting structure and a checking plate, wherein the cabinet body structure comprises a first plate and a second plate, a plate groove is formed in the middle of the first plate, and the second plate is used for moving in the plate groove to extend out of one side of the first plate or retract into the plate groove;

The supporting structure comprises a first lifting rod, a second lifting rod, a first connecting plate, a telescopic rod and a supporting plate, wherein the first lifting rod is used for being fixed on the second plate, the upper end of the first lifting rod is connected with the first connecting plate, two telescopic rods are symmetrically arranged at two ends of the first connecting plate, and the telescopic rod is used for being arranged in parallel with the first plate and the second plate; the second lifting rod is used for being fixed on the first plate, the upper end of the second lifting rod is connected with the supporting plate, and two ends of the supporting plate are respectively connected with one end, far away from the first connecting plate, of the telescopic rod; the inspection boards are used for being sequentially paved on the two telescopic rods.

Compared with the prior art, the biological safety cabinet convenient to adjust has the following beneficial effects:

Before a sample is tested, the first plate or the second plate of the cabinet body structure is pulled, so that the second plate moves in the plate groove, namely the first plate and the second plate are unfolded to a proper position, and simultaneously, the two telescopic rods of the supporting structure are retracted to a proper position in a following way; then, the heights of the first lifting rod and the second lifting rod are adjusted, so that the first lifting rod and the second lifting rod are lifted to the height position suitable for the height of a worker; then, a plurality of test boards are sequentially paved on the two telescopic rods, a test sample is placed on the test boards for test, and the first connecting board, the telescopic rods and the supporting boards are arranged to form a rectangle so that the test boards can be paved on the telescopic rods; in the using process, if the position of the test sample is required to be adjusted, the position of the test sample in the horizontal direction can be adjusted by pulling the first plate or the second plate, correspondingly, the test plate is required to be increased or decreased on the two telescopic rods, and the heights of the test plate and the test sample on the test plate are adjusted by adjusting the heights of the first lifting rod and the second lifting rod; the position of the test sample in the horizontal direction is adjusted through the change of the cabinet body structure, the position of the test sample in the vertical direction is adjusted through the change of the supporting structure, the purpose that the operator is convenient to operate is achieved by adjusting the position of the test sample, the whole adjusting process is simple, the convenience of testing the test sample is improved, and the practicability is high.

Preferably, the biosafety cabinet convenient for adjustment further comprises a laying structure arranged on one side of the supporting structure, the laying structure comprises a first electric push rod, a second electric push rod and a containing box with an upward opening, and a plurality of inspection boards are stacked in the containing box from bottom to top; the lower end of the accommodating box is provided with the first electric push rod which is used for pushing the plurality of test boards to move upwards from bottom to top;

The utility model discloses a test device, including holding the case, the opening of holding the case, one side of opening is provided with the second electric putter, is located the top the inspection board is by first electric putter is from in holding the case release to when the opening part, the top the height of the lower bottom surface of inspection board with the upper surface height of telescopic link is unanimous, just the second electric putter is used for promoting the top the inspection board orientation the telescopic link direction removes.

Preferably, the laying structure further comprises a limiting plate and a sensor, wherein the limiting plate is arranged above the opening of the accommodating box, the sensor is used for sensing whether the upper surface of the inspection plate positioned at the top is in contact with the lower surface of the limiting plate, and the first electric push rod and the second electric push rod are in signal connection with the sensor.

Preferably, the cabinet structure further comprises a third plate, the third plate is used for being connected to one side, far away from the second plate, of the first plate, mounting holes are formed in the third plate in a penetrating mode, and the accommodating box is used for being mounted at the mounting holes.

Preferably, the cabinet structure further comprises two fixed side plates, wherein the two fixed side plates are respectively and fixedly connected with one end of the second plate far away from the first plate and one end of the third plate far away from the first plate;

The laying structure further comprises a third connecting plate and a fourth connecting plate, wherein the third connecting plate is used for being connected between the fixed side plate and the outer wall of the accommodating box, the fourth connecting plate is used for being fixed on the third connecting plate and perpendicular to the third connecting plate, and one end, far away from the third connecting plate, of the fourth connecting plate is used for fixing the limiting plate.

Preferably, the cabinet structure further comprises two groups of movable side plates, wherein the two groups of movable side plates are respectively arranged on the front side and the rear side of the first plate and the second plate; the movable side plate comprises a first side plate and a second side plate, a side plate groove is formed in the middle of the first side plate, and the second side plate is used for moving in the side plate groove to extend out of one side of the first side plate or retract into the side plate groove; one end of the first side plate, which is far away from the second side plate, is used for being connected with the fixed side plate, and the lower end of the first side plate is used for being fixedly connected with the first plate and the third plate; one end of the second side plate, which is far away from the first side plate, is used for being connected with the other fixed side plate, and the lower end of the second side plate is used for being fixedly connected with the second plate.

Preferably, the first side plate and the second side plate in one group of the movable side plates are respectively provided with an isolation glove hole, and the isolation glove holes are used for installing isolation gloves.

Preferably, the cabinet structure further comprises a sealing cover plate, the sealing cover plate comprises a first cover plate and a second cover plate, a cover plate groove is formed in the middle of the first cover plate, and the second cover plate is used for moving in the cover plate groove to extend out of one side of the first cover plate or retract into the cover plate groove; the first cover plate is used for being hinged to the upper end of the first side plate far away from one side of the isolation glove hole, and the second cover plate is used for being hinged to the upper end of the second side plate on the same side.

Preferably, the biosafety cabinet convenient to adjust further comprises a supporting frame, the supporting frame comprises four supporting columns and a bottom frame erected between the four supporting columns, and the cabinet body structure is used for being arranged between the four supporting columns and located on the bottom frame.

Preferably, the biosafety cabinet convenient to adjust further comprises a bottom electric push rod, wherein the bottom electric push rod is used for being installed on the underframe, and the upper end of the bottom electric push rod is used for being connected to the bottom of the first plate of the cabinet body structure.

Drawings

FIG. 1 is a schematic view of the overall structure of a test bench and a cleaning structure according to an embodiment of the utility model;

FIG. 2 is an exploded view of a cleaning structure according to an embodiment of the present utility model;

fig. 3 is a schematic diagram showing an exploded structure of a cleaning structure according to an embodiment of the utility model.

Reference numerals illustrate:

1 cabinet structure, 11 first board, 110 board groove, 12 second board, 13 third board, 130 mounting hole, 14 fixed side board, 15 movable side board, 151 first side board, 152 second side board, 153 side board groove, 154 isolation glove hole, 16 sealing cover board, 161 first cover board, 162 second cover board, 163 cover board groove, 2 supporting structure, 21 first lifter, 22 second lifter, 23 first connecting board, 24 telescopic link, 25 supporting board, 3 inspection board, 4 laying structure, 41 first electric putter, 42 second electric putter, 43 holding box, 44 limiting board, 45 third connecting board, 46 fourth connecting board, 5 supporting frame, 51 pillar, 52 chassis, 6 bottom electric putter.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the application but are not intended to limit the scope of the application.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the coordinate system XYZ provided herein, the positive direction of the X axis represents the right direction, the negative direction of the X axis represents the left direction, the positive direction of the Y axis represents the front direction, the negative direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction; the Z-axis, X-axis, Y-axis are meant to be illustrative only and to simplify the description of the present utility model and are not indicative or implying that the apparatus or elements being referred to must have, be constructed and operated in a particular orientation and therefore are not to be construed as limiting the present utility model.

Referring to fig. 1-3, the utility model provides a biosafety cabinet convenient to adjust, comprising a cabinet body structure 1, a supporting structure 2 and a checking plate 3, wherein the cabinet body structure 1 comprises a first plate 11 and a second plate 12, a plate groove 110 is arranged in the middle of the first plate 11, and the second plate 12 is used for moving in the plate groove 110 to extend out of one side of the first plate 11 or retract into the plate groove 110; the supporting structure 2 comprises a first lifting rod 21, a second lifting rod 22, a first connecting plate 23, a telescopic rod 24 and a supporting plate 25, wherein the first lifting rod 21 is used for being fixed on the second plate 12, the upper end of the first lifting rod 21 is connected with the first connecting plate 23, two telescopic rods 24 are symmetrically arranged at two ends of the first connecting plate 23, and the telescopic rod 24 is used for being arranged in parallel with the first plate 11 and the second plate 12; the second lifting rod 22 is fixed on the first plate 11, the upper end of the second lifting rod 22 is connected with the supporting plate 25, and two ends of the supporting plate 25 are respectively connected with one end of the telescopic rod 24 away from the first connecting plate 23; a plurality of inspection boards 3 are used for being sequentially tiled on the two telescopic rods 24.

Specifically, a plurality of inspection boards 3 are arranged on two telescopic rods 24 in a flat manner in sequence, the side walls of two adjacent inspection boards 3 are contacted, and a plurality of inspection boards 3 are spliced into an inspection bench with a flat surface.

In this embodiment, before the sample is tested, the first plate 11 or the second plate 12 of the cabinet structure 1 is pulled, so that the second plate 12 moves in the plate slot 110, that is, the first plate 11 and the second plate 12 are unfolded to the proper positions, and at the same time, the two telescopic rods 24 of the support structure 2 follow the telescopic movement to the proper positions; then, the heights of the first lifting rod 21 and the second lifting rod 22 are adjusted so that the first lifting rod 21 and the second lifting rod 22 are lifted to a height position suitable for the height of the staff; then, a plurality of inspection boards 3 are sequentially laid on the two telescopic rods 24, inspection samples are placed on the inspection boards 3 for inspection, and the first connecting board 23, the telescopic rods 24 and the supporting boards 25 are arranged to form a rectangle so that the inspection boards 3 can be laid on the telescopic rods 24; in the use process, if the position of the test sample is required to be adjusted, the position of the test sample in the horizontal direction can be adjusted by pulling the first plate 11 or the second plate 12, and correspondingly, the test plate 3 is required to be increased or decreased on the two telescopic rods 24, and the heights of the test plate 3 and the test sample on the test plate 3 are adjusted by adjusting the heights of the first lifting rod 21 and the second lifting rod 22; the position of the test sample in the horizontal direction is adjusted through the change of the cabinet body structure 1, the position of the test sample in the vertical direction is adjusted through the change of the supporting structure 2, and then the purpose that the operator is convenient to operate is achieved by adjusting the position of the test sample, the whole adjusting process is simpler, the convenience of testing the test sample is improved, and the practicability is higher.

Preferably, the biosafety cabinet with convenient adjustment further comprises a supporting frame 5, the supporting frame 5 comprises four supporting posts 51 and a bottom frame 52 erected between the four supporting posts 51, and the cabinet body structure 1 is arranged between the four supporting posts 51 and is located on the bottom frame 52.

In this embodiment, the support frame 5 provides a mounting carrier for the cabinet structure 1 on one hand, and on the other hand, the cabinet structure 1 is at a height convenient for operation, so as to facilitate inspection.

Preferably, the biosafety cabinet convenient to adjust further comprises a bottom electric push rod 6, wherein the bottom electric push rod 6 is used for being mounted on the bottom frame 52, and the upper end of the bottom electric push rod 6 is used for being connected to the bottom of the first plate 11 of the cabinet body structure 1.

In this embodiment, the bottom electric push rod 6 is configured to facilitate adjusting the overall height of the cabinet body structure 1, and further facilitate further adjusting the cabinet body structure 1 and the position of the inspection sample inside the cabinet body structure 1 in the vertical direction so as to adapt to the inspection needs of staff.

Preferably, the biosafety cabinet convenient to adjust further comprises a laying structure 4 arranged on one side of the supporting structure 2, the laying structure 4 comprises a first electric push rod 41, a second electric push rod 42 and a containing box 43 with an upward opening, and a plurality of inspection boards 3 are stacked in the containing box 43 from bottom to top; the lower end of the accommodating box 43 is provided with the first electric push rod 41, and the first electric push rod 41 is used for pushing a plurality of the inspection boards 3 to move upwards from bottom to top; the second electric push rod 42 is disposed at one side of the opening of the accommodating box 43, when the inspection board 3 at the top is pushed out of the accommodating box 43 to the opening by the first electric push rod 41, the height of the lower bottom surface of the inspection board 3 at the top is consistent with the height of the upper surface of the telescopic rod 24, and the second electric push rod 42 is used for pushing the inspection board 3 at the top to move towards the telescopic rod 24.

In this embodiment, the first electric push rod 41 is used for pushing out the inspection boards 3 located in the accommodating box 43 to the opening of the accommodating box 43, the second electric push rod 42 is used for pushing the inspection boards 3 located at the opening of the accommodating box 43 to proper positions on the two telescopic rods 24, and a plurality of inspection boards 3 are paved on the telescopic rods 24 and spliced into an inspection bench with a flat surface so as to facilitate the inspection of the inspection sample on the inspection bench; the structure is favorable for splicing the cabinet body structure 1 and the supporting structure 2 after being adjusted, and the inspection boards 3 are automatically spliced into the inspection board, so that the work preparation efficiency before inspection is improved.

Preferably, the cabinet structure 1 further includes a third plate 13, the third plate 13 is configured to be connected to a side of the first plate 11 away from the second plate 12, a mounting hole 130 is formed in the third plate 13 in a penetrating manner, and the accommodating box 43 is configured to be mounted at the mounting hole 130.

Specifically, the lower end of the accommodating box 43 extends to the lower end of the cabinet body structure 1 through the mounting hole 130, a through hole is formed in the bottom of the accommodating cabinet body in a penetrating manner, the second electric push rod 42 is used for being mounted on the bottom frame 52, and the upper end of the second electric push rod 42 penetrates through the through hole and extends into the accommodating box 43 to push the inspection board 3 to move in the accommodating box 43.

In this embodiment, the third plate 13 is provided for mounting the laying structure 4 such that the laying structure 4 can push the inspection plate 3 to move on the side of the support structure 2.

Preferably, the laying structure 4 further includes a limiting plate 44 and a sensor, the limiting plate 44 is configured to be disposed above the opening of the accommodating box 43, the sensor is configured to sense whether the upper surface of the inspection plate 3 positioned on top is in contact with the lower surface of the limiting plate 44, and the first electric push rod 41 and the second electric push rod 42 are in signal connection with the sensor.

Specifically, when the inspection plate 3 at the top is pushed out of the housing box 43 to the opening by the first electric push rod 41 and the upper surface of the inspection plate 3 at the top is in contact with the lower surface of the limiting plate 44, the sensor is used to transmit a signal to the first electric push rod 41 and the second electric push rod 42, so that the first electric push rod 41 stops working, at this time, the height of the lower bottom surface of the inspection plate 3 at the top is identical to the height of the upper surface of the telescopic rod 24, and the second electric push rod 42 pushes the inspection plate 3 at the top to move toward the telescopic rod 24.

In this embodiment, the positioning of the limiting plate 44 and the sensor is advantageous in that the top inspection plate 3 can be pushed to a proper position to stop, preventing the inspection plate 3 from being pushed to a height exceeding the height of the telescopic rod 24 or not reaching the height of the telescopic rod 24, and facilitating the smooth splicing of the inspection plate 3 into the inspection bench.

Preferably, the cabinet structure 1 further includes two fixed side plates 14, and the two fixed side plates 14 are fixedly connected to one end of the second plate 12 away from the first plate 11 and one end of the third plate 13 away from the first plate 11, respectively; the paving structure 4 further includes a third connecting plate 45 and a fourth connecting plate 46, the third connecting plate 45 is used for being connected between the fixed side plate 14 and the outer wall of the accommodating box 43, the fourth connecting plate 46 is used for being fixed on the third connecting plate 45 and perpendicular to the third connecting plate 45, and one end, away from the third connecting plate 45, of the fourth connecting plate 46 is used for fixing the limiting plate 44.

In the present embodiment, the third connecting plate 45 is used for reinforcing the accommodating case 43 to the fixed side plate 14, and the fourth connecting plate 46 is used for fixing the limiting plate 44. During the adjustment in the horizontal direction, the fixed side plate 14 may be pulled, so as to drive the first plate 11 or the second plate 12 to move, so as to realize the adjustment of the position of the support structure 2 in the horizontal direction, and further realize the adjustment of the position of the test sample in the horizontal direction.

Preferably, the cabinet structure 1 further includes two sets of movable side plates 15, where the two sets of movable side plates 15 are disposed on front and rear sides of the first plate 11 and the second plate 12, respectively; the movable side plate 15 includes a first side plate 151 and a second side plate 152, wherein a side plate groove 153 is provided at a middle portion of the first side plate 151, and the second side plate 152 is configured to move in the side plate groove 153 to extend out of one side of the first side plate 151 or retract into the side plate groove 153; one end of the first side plate 151 away from the second side plate 152 is used for being connected with the fixed side plate 14, and the lower end of the first side plate 151 is used for being fixedly connected with the first plate 11 and the third plate 13; one end of the second side plate 152 away from the first side plate 151 is used for being connected with another fixed side plate 14, and the lower end of the second side plate 152 is used for being fixedly connected with the second plate 12.

In this embodiment, the two first side plates 151, the first plate 11, the third plate 13 and one of the fixed side plates 14 enclose a half enclosure half cabinet, the two second side plates 152, the second plate 12 and the other fixed side plate 14 enclose another half enclosure half cabinet, the second plate 12, the plate groove 110 and the first plate 11 are matched with each other, and the first side plates 151, the plate groove 153 and the second side plates 152 are matched with each other, so that the two half cabinets can be relatively stretched, thereby realizing the adjustment of the overall volume of the cabinet structure 1, and being beneficial to adjusting the position of the support structure 2 in the horizontal direction in the cabinet structure 1.

Preferably, the first side plate 151 and the second side plate 152 of one group of the movable side plates 15 are respectively provided with an isolation glove hole 154, and the isolation glove holes 154 are used for installing isolation gloves.

In this embodiment, after the position of the test sample is adjusted, a worker performs a test operation by wearing the isolation glove through the isolation glove hole 154.

Preferably, the cabinet structure 1 further includes a sealing cover 16, the sealing cover 16 includes a first cover 161 and a second cover 162, a cover slot 163 is disposed in a middle portion of the first cover 161, and the second cover 162 is configured to move in the cover slot 163 to extend out of one side of the first cover 161 or retract into the cover slot 163; the first cover plate 161 is hinged to the upper end of the first side plate 151 at a side far from the isolation glove hole 154, and the second cover plate 162 is hinged to the upper end of the second side plate 152 at the same side.

In this embodiment, when the cabinet structure 1 is adjusted to stretch out and draw back, the sealing cover plate 16 also stretches out and draws back through the first cover plate 161, the cover plate groove 163 and the second cover plate 162, so as to adapt to the cabinet structure 1, and the sealing cover plate 16 is used for covering the upper end of the cabinet structure 1, so that the sealing cover plate has the functions of ash prevention and water prevention.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims

1. A biosafety cabinet convenient to adjust, characterized by comprising a cabinet body structure (1), a supporting structure (2) and a checking plate (3), wherein the cabinet body structure (1) comprises a first plate (11) and a second plate (12), a plate groove (110) is arranged in the middle of the first plate (11), and the second plate (12) is used for moving in the plate groove (110) to extend out of one side of the first plate (11) or retract into the plate groove (110);

The supporting structure (2) comprises a first lifting rod (21), a second lifting rod (22), a first connecting plate (23), a telescopic rod (24) and a supporting plate (25), wherein the first lifting rod (21) is fixed on the second plate (12), the upper end of the first lifting rod (21) is connected with the first connecting plate (23), two telescopic rods (24) are symmetrically arranged at two ends of the first connecting plate (23), and the telescopic rod (24) is used for being parallel to the first plate (11) and the second plate (12); the second lifting rod (22) is fixed on the first plate (11), the upper end of the second lifting rod (22) is connected with the supporting plate (25), and two ends of the supporting plate (25) are respectively connected with one end, far away from the first connecting plate (23), of the telescopic rod (24); the plurality of inspection boards (3) are used for being sequentially paved on the two telescopic rods (24).

2. The biosafety cabinet with easy adjustment according to claim 1, further comprising a laying structure (4) provided on one side of the supporting structure (2), the laying structure (4) including a first electric push rod (41), a second electric push rod (42) and a housing box (43) with an upward opening, a plurality of the inspection boards (3) being stacked in the housing box (43) from bottom to top; the lower end of the accommodating box (43) is provided with the first electric push rod (41), and the first electric push rod (41) is used for pushing the plurality of inspection plates (3) to move upwards from bottom to top;

The utility model discloses a test device, including holding case (43) and inspection board (3), holding case (43) open one side is provided with second electric putter (42), is located the top inspection board (3) by first electric putter (41) are followed when holding case (43) release to the opening part, the top the height of the lower bottom surface of inspection board (3) with the upper surface height of telescopic link (24) is unanimous, just second electric putter (42) are used for promoting the top inspection board (3) orientation telescopic link (24) direction removes.

3. The biosafety cabinet with easy adjustment according to claim 2, characterized in that the lay structure (4) further comprises a limiting plate (44) and a sensor, the limiting plate (44) is arranged above the opening of the housing box (43), the sensor is used for sensing whether the upper surface of the inspection plate (3) positioned at the top is in contact with the lower surface of the limiting plate (44), and the first electric push rod (41) and the second electric push rod (42) are in signal connection with the sensor.

4. A biosafety cabinet with easy adjustment according to claim 3, characterized in that the cabinet body structure (1) further comprises a third plate (13), the third plate (13) is used for being connected to a side of the first plate (11) far away from the second plate (12), a mounting hole (130) is formed in the third plate (13) in a penetrating way, and the accommodating box (43) is used for being mounted at the mounting hole (130).

5. The biosafety cabinet with easy adjustment according to claim 4, characterized in that the cabinet body structure (1) further comprises two fixed side plates (14), the two fixed side plates (14) being fixedly connected to one end of the second plate (12) away from the first plate (11) and one end of the third plate (13) away from the first plate (11), respectively;

The laying structure (4) further comprises a third connecting plate (45) and a fourth connecting plate (46), wherein the third connecting plate (45) is used for being connected between the fixed side plate (14) and the outer wall of the accommodating box (43), the fourth connecting plate (46) is used for being fixed on the third connecting plate (45) and perpendicular to the third connecting plate (45), and one end, far away from the third connecting plate (45), of the fourth connecting plate (46) is used for being fixed on the limiting plate (44).

6. The biosafety cabinet with easy adjustment according to claim 5, characterized in that the cabinet body structure (1) further comprises two sets of movable side plates (15), the two sets of movable side plates (15) being arranged on the front and rear sides of the first plate (11) and the second plate (12), respectively; the movable side plate (15) comprises a first side plate (151) and a second side plate (152), a side plate groove (153) is formed in the middle of the first side plate (151), and the second side plate (152) is used for moving in the side plate groove (153) to extend out of one side of the first side plate (151) or retract into the side plate groove (153); one end of the first side plate (151) far away from the second side plate (152) is used for being connected with the fixed side plate (14), and the lower end of the first side plate (151) is used for being fixedly connected with the first plate (11) and the third plate (13); one end of the second side plate (152) far away from the first side plate (151) is used for being connected with the other fixed side plate (14), and the lower end of the second side plate (152) is used for being fixedly connected with the second plate (12).

7. The biosafety cabinet with easy adjustment according to claim 6, wherein the first side plate (151) and the second side plate (152) of one set of the movable side plates (15) are respectively provided with an isolation glove hole (154), and the isolation glove holes (154) are used for installing isolation gloves.

8. The biosafety cabinet with easy adjustment according to claim 7, characterized in that the cabinet body structure (1) further comprises a sealing cover plate (16), the sealing cover plate (16) comprises a first cover plate (161) and a second cover plate (162), a cover plate groove (163) is provided in the middle of the first cover plate (161), and the second cover plate (162) is used for moving in the cover plate groove (163) to extend out of one side of the first cover plate (161) or retract into the cover plate groove (163); the first cover plate (161) is used for being hinged to the upper end of the first side plate (151) at the side far away from the isolation glove hole (154), and the second cover plate (162) is used for being hinged to the upper end of the second side plate (152) at the same side.

9. The biosafety cabinet with easy adjustment according to claim 1, further comprising a support frame (5), said support frame (5) comprising four support posts (51) and a chassis (52) erected between four of said support posts (51), said cabinet structure (1) being adapted to be disposed between four of said support posts (51) and on said chassis (52).

10. The biosafety cabinet with easy adjustment according to claim 9, further comprising a bottom electric push rod (6), said bottom electric push rod (6) being for being mounted on said chassis (52), and an upper end of said bottom electric push rod (6) being for being connected to a bottom of said first plate (11) of said cabinet structure (1).